Chill, R.; ter Elst, A. F. M. Weak and strong approximation of semigroups on Hilbert spaces. (English) Zbl 1387.35049 Integral Equations Oper. Theory 90, No. 1, Paper No. 9, 22 p. (2018). MSC: 35B40 47D03 47A05 65N30 PDFBibTeX XMLCite \textit{R. Chill} and \textit{A. F. M. ter Elst}, Integral Equations Oper. Theory 90, No. 1, Paper No. 9, 22 p. (2018; Zbl 1387.35049) Full Text: DOI arXiv
Hytönen, Tuomas; Veraar, Mark \(R\)-boundedness of smooth operator-valued functions. (English) Zbl 1191.46013 Integral Equations Oper. Theory 63, No. 3, 373-402 (2009). Reviewer: Oscar Blasco (Valencia) MSC: 46B09 46E35 46E40 60B05 47A56 PDFBibTeX XMLCite \textit{T. Hytönen} and \textit{M. Veraar}, Integral Equations Oper. Theory 63, No. 3, 373--402 (2009; Zbl 1191.46013) Full Text: DOI arXiv
Staffans, Olof J.; Weiss, George Transfer functions of regular linear systems. III: Inversions and duality. (English) Zbl 1052.93032 Integral Equations Oper. Theory 49, No. 4, 517-558 (2004). Reviewer: Dmitry Kalyuzhniy-Verbovetzky (Beer-Sheva) MSC: 93C25 47D06 47A48 93B28 93B17 PDFBibTeX XMLCite \textit{O. J. Staffans} and \textit{G. Weiss}, Integral Equations Oper. Theory 49, No. 4, 517--558 (2004; Zbl 1052.93032) Full Text: DOI
Bruzual, R.; Marcantognini, S. A. M. The Kreĭn-Langer problem for Hilbert space operator valued functions on the band. (English) Zbl 0937.47040 Integral Equations Oper. Theory 34, No. 4, 396-413 (1999). Reviewer: Trandafir Balan (Craiova) MSC: 47B50 47D03 47A57 47A56 PDFBibTeX XMLCite \textit{R. Bruzual} and \textit{S. A. M. Marcantognini}, Integral Equations Oper. Theory 34, No. 4, 396--413 (1999; Zbl 0937.47040) Full Text: DOI
Davidson, Kenneth R.; Pitts, David R. Nevanlinna-Pick interpolation for non-commutative analytic Toeplitz algebras. (English) Zbl 0917.47017 Integral Equations Oper. Theory 31, No. 3, 321-337 (1998). MSC: 47A57 47L30 PDFBibTeX XMLCite \textit{K. R. Davidson} and \textit{D. R. Pitts}, Integral Equations Oper. Theory 31, No. 3, 321--337 (1998; Zbl 0917.47017) Full Text: DOI
Grabowski, Piotr; Callier, Frank M. Admissible observation operators. Semigroup criteria of admissibility. (English) Zbl 0856.93021 Integral Equations Oper. Theory 25, No. 2, 182-198 (1996). Reviewer: A.V.Balakrishnan (Los Angeles) MSC: 93B28 93B07 PDFBibTeX XMLCite \textit{P. Grabowski} and \textit{F. M. Callier}, Integral Equations Oper. Theory 25, No. 2, 182--198 (1996; Zbl 0856.93021) Full Text: DOI
Callier, Frank M.; Dumortier, Laurence; Winkin, Joseph On the nonnegative self-adjoint solutions of the operator Riccati equation for infinite dimensional systems. (English) Zbl 0826.93034 Integral Equations Oper. Theory 22, No. 2, 162-195 (1995). Reviewer: L.E.Faibusovich (Cambridge / Mass.) MSC: 93C25 49N10 93C05 93B28 PDFBibTeX XMLCite \textit{F. M. Callier} et al., Integral Equations Oper. Theory 22, No. 2, 162--195 (1995; Zbl 0826.93034) Full Text: DOI
Curtain, Ruth; Zwart, Hans The Nehari problem for the Pritchard-Salamon class of infinite- dimensional linear systems: A direct approach. (English) Zbl 0807.47011 Integral Equations Oper. Theory 18, No. 2, 130-153 (1994). Reviewer: N.Bozhinov (Sofia) MSC: 47A57 47B35 93C25 93B36 PDFBibTeX XMLCite \textit{R. Curtain} and \textit{H. Zwart}, Integral Equations Oper. Theory 18, No. 2, 130--153 (1994; Zbl 0807.47011) Full Text: DOI